Is there no one who knows if there is a way to turn off the norefersub setting?
Supported: norefersub This happens in the TRYing, OK, and other commands in response to the INVITE. For chan_sip, I noticed it does not send the norefersub. As a result, Cisco then sends NOTIFY packets with TRYing, Ringing, OK inside them. This basically gives the chan_sip code the ability to know if the REFER (Transfer) is succeeding or not. Dan From: asterisk-users <asterisk-users-boun...@lists.digium.com> On Behalf Of Dan Cropp Sent: Monday, March 25, 2019 4:03 PM To: asterisk-users@lists.digium.com Subject: [asterisk-users] Asterisk Transfers Does anyone know if there is a way to disable the norefersub for PJSIP? It appears this is causing problems with a test we're running with Cisco. A wireshark trace from a system where the transfer with Cisco works versus a trace with Asterisk/Cisco shows one big difference being the supported: norefersub The REFER Accepted response is received by Asterisk. However, Cisco doesn't send the NOTIFY messages with 100 Trying followed by 404 Not Found. >From what we've been able to determine, this is a direct result of 200 OK packet including Supported: 100rel, timer, replaces, norefersub Specifically, the norefersub. Dan
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